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Abstract
A patient strain derived from urine was found by 16S rRNA gene sequencing to be closely related (99.6 % identity) to sequences derived from both Brevibacterium ravenspurgense CCUG 56047T and Brevibacterium massilienseCCUG 53855T. Those species had been described during the same 11 month period in 2008–2009. Further characterization revealed that those isolates could not be readily distinguished from each other biochemically, by cellular fatty acids, antimicrobial susceptibility, MALDI-TOF MS, 16S rRNA gene sequencing or by whole-genome sequence (WGS) analyses. By WGS comparison, these isolates had an aerage nucleotide identity using blastn (ANIb) scores of 95.7 % or higher to each other, DNA G+C content in the range of 62.3 mol%–62.4 mol%, with genome sizes ranging from 2.28×106 to 2.41×106 bases. Based on these data, we propose that the name B. massiliense is a later heterotypic synonym of B. ravenspurgense and provide an emended description of B. ravenspurgense .
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